Google is ELI>5.
I’m guessing re. the physics flair. Happy to be corrected.
In: Physics
Is it an isometric process in thermodynamics you are thinking about?
“Isometric” is a term used in other contexts as well, but I will give a brief thermodynamics explanation. If it’s something else you are thinking about, please be more specific.
An isometric process in thermodynamics is when the volume remains constant during the process.
For example, a gas in a closed container which is heated up. When gas is heated up, it will expand, thus increasing it’s volume. If the gas is in a closed container, it can’t expand even though it is heated up. This results in the gas pressure increasing instead as the gas will try to expand but be held back by the container. If the gas is heated up enough, the container might eventually break from the internal pressure and the whole thing explodes.
In mathematics (and, hence, a lot of physics) isometry means distance preserving. If we have a measure of distance on some space, and we apply a function to transform that space somehow (e.g. by rotating it), then we say that function is isometric if the distance between two points before applying the function to them is the same as after.
iso = same
metric = measurement.
So if you have an isometric drawing of a cube, the edges pointing in each direction are drawn the same length on the page.
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